我已经用 ubuntu 替换了 widows，但无法检测到 wifi 卡。我无法连接到 wifi 网络。有人能帮我吗？
在附加驱动程序窗口中，什么也没有。
网络控制器：Intel Wireless 8265/8275。
信息:
sudo rfkill 列出全部：
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
串行通信：
02:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78)
Ubuntu 版本：20.04
这不是双启动，电脑上只有 Ubuntu
请参阅lspci-knn| grep Net-A3：
02:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 78)
Subsystem: Intel Corporation Wireless 8265 / 8275 [8086:8110]
Kernel modules: iwlwifi
消息 |查找
null
dpkg -l | grep linux
ii console-setup-linux 1.194ubuntu3 all Linux specific part of console-setup
ii libselinux1:amd64 3.0-1build2 amd64 SELinux runtime shared libraries
ii libv4l-0:amd64 1.18.0-2build1 amd64 Collection of video4linux support libraries
ii libv4lconvert0:amd64 1.18.0-2build1 amd64 Video4linux frame format conversion library
ii linux-base 4.5ubuntu3.1 all Linux image base package
ii linux-firmware 1.187.2 all Firmware for Linux kernel drivers
ii linux-generic-hwe-20.04 5.4.0.51.54 amd64 Complete Generic Linux kernel and headers
ii linux-headers-5.4.0-42 5.4.0-42.46 all Header files related to Linux kernel version 5.4.0
ii linux-headers-5.4.0-42-generic 5.4.0-42.46 amd64 Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii linux-headers-5.4.0-51 5.4.0-51.56 all Header files related to Linux kernel version 5.4.0
ii linux-headers-5.4.0-51-generic 5.4.0-51.56 amd64 Linux kernel headers for version 5.4.0 on 64 bit x86 SMP
ii linux-headers-generic-hwe-20.04 5.4.0.51.54 amd64 Generic Linux kernel headers
ii linux-image-5.4.0-42-generic 5.4.0-42.46 amd64 Signed kernel image generic
ii linux-image-5.4.0-51-generic 5.4.0-51.56 amd64 Signed kernel image generic
ii linux-image-generic-hwe-20.04 5.4.0.51.54 amd64 Generic Linux kernel image
ii linux-libc-dev:amd64 5.4.0-51.56 amd64 Linux Kernel Headers for development
ii linux-modules-5.4.0-42-generic 5.4.0-42.46 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-5.4.0-51-generic 5.4.0-51.56 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-extra-5.4.0-42-generic 5.4.0-42.46 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-modules-extra-5.4.0-51-generic 5.4.0-51.56 amd64 Linux kernel extra modules for version 5.4.0 on 64 bit x86 SMP
ii linux-sound-base 1.0.25+dfsg-0ubuntu5 all base package for ALSA and OSS sound systems
ii pptp-linux 1.10.0-1build1 amd64 Point-to-Point Tunneling Protocol (PPTP) Client
ii syslinux 3:6.04~git20190206.bf6db5b4+dfsg1-2 amd64 collection of bootloaders (DOS FAT and NTFS bootloader)
ii syslinux-common 3:6.04~git20190206.bf6db5b4+dfsg1-2 all collection of bootloaders (common)
ii syslinux-legacy 2:3.63+dfsg-2ubuntu9 amd64 Bootloader for Linux/i386 using MS-DOS floppies
ii util-linux 2.34-0.1ubuntu9 amd64 miscellaneous system utilities
grep iwlwifi /etc/modprobe.d/*
/etc/modprobe.d/iwlwifi.conf:# /etc/modprobe.d/iwlwifi.conf
/etc/modprobe.d/iwlwifi.conf:# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
/etc/modprobe.d/iwlwifi.conf:# microcode file installed on the system. When removing iwlwifi, first
/etc/modprobe.d/iwlwifi.conf:# remove the iwl?vm module and then iwlwifi.
/etc/modprobe.d/iwlwifi.conf:remove iwlwifi \
/etc/modprobe.d/iwlwifi.conf:(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \